This week's CMT Hot 20 Countdown is your VIP pass to the ACM Awards. We're on location in Arlington, Texas, with a recap of this year's star-studded event. We'll talk about the big winners, fashion statements and much more, and we'll catch up with your favorites on the red carpet and backstage. And don't miss our chat wit ACM entertainer of the year Luke Bryan. Also on the show, get details surrounding Lady Antebellum's bus fire as we talk to the trio.